Problem Solving with Slope

Problem Solving with Slope

8th Grade

20 Qs

quiz-placeholder

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Problem Solving with Slope

Problem Solving with Slope

Assessment

Quiz

Mathematics

8th Grade

Practice Problem

Hard

CCSS
8.EE.B.5, HSF.BF.A.2, 8.EE.B.6

+7

Standards-aligned

Created by

Anthony Clark

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

The scatter plot shows the the cost of gas per gallon during certain years.

What is the equation for the trend line in slope-intercept form.

y = .25x + .05

y = .05x + .25

y = x + .25

y = 2x + 1.5x + .25

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

The scatter plot shows the the cost of gas per gallon during certain years.

How can the trend line equation be used to predict the cost of gas per gallon in the year 1992?

Substitute 92 for x in the equation

Substitute 92 for y in the equation

Substitute 22 for x in the equation

Substitute 22 for y in the equation

Tags

CCSS.HSF.BF.A.2

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

The scatter plot shows the the cost of gas per gallon during certain years. Paul want to know when gas would have cost about $1.50 per gallon. What step should he take?

Substitute 1.50 for y in the equation

Add 1.50 to the y-intercept of the equation

Substitute 1.50 for x in the equation

Add 1.50 to the slope of the equation

Tags

CCSS.HSF.BF.A.2

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

The scatter plot shows the the cost of gas per gallon during certain years.

Use the trend line equation to predict the cost of gas per gallon in 2017.

$3.50

$2.60

$1.70

$4.40

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the slope of the line, in the standard (x,y) coordinate plane, that is parallel to x + 5y = 9 ?

-5

-1/5

1/5

9/5

9

Tags

CCSS.8.EE.B.5

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Which of the following situations does not have the same unit rate as the graph shown?

Asher buys gum for $0.20 a piece.

A daycare has six workers for every 30 children.

Melanie reads 9 pages of her book every 45 minutes.

Richie earns $10 every 2 hours to pet sit for his neighbor.

Tags

CCSS.6.RP.A.3A

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Using the graph, determine the equation of the line.

y = 5x

y = 10x

y = 1/5x

y = 1/10x

Tags

CCSS.8.EE.B.5

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